He had begun to feel sleepy.

他已觉得困了。

Remember (that) you may feel sleepy after taking the pills.

记住，吃了这些药片之后，你可能会犯困。

It can make people feel sleepy.

它会使人感到昏昏欲睡。

When you get enough sleep, you won't feel sleepy.

当你睡眠充足时，你就不会感到困倦。

Less sleep can give you dark circles under your eyes and you may feel sleepy during the daytime.

睡眠不足会让你有黑眼圈，白天可能还会感到困倦。

Still feel sleepy after getting up?

起床后还觉得困吗？

Many students not feel sleepy until much later in the evenings.

许多学生直到晚上很晚才感到困倦。

The coming drop in temperature of your body will naturally make you feel sleepy.

身体温度的下降自然会让你感到困倦。

Eating a big meal can make you feel sleepy, and it can make you feel uncomfortable and prevent you from sleeping well.

吃大餐会让你感到困倦，这会让你感到不舒服，让你睡不好觉。

Go to bed if you feel sleepy.

如果你困了，就睡吧。

You'll feel sleepy tomorrow unless you go to bed early.

如果你不早点睡觉，明天你就会犯困。

Some teachers complain that a few students feel sleepy or even fall asleep in class.

一些老师抱怨说，一些学生上课犯困，甚至睡着了。

I know English is very important, but I often feel sleepy in English classes.

我知道英语很重要，但我经常在英语课上犯困。

I feel sleepy in class.

课堂上我想睡觉。

Then I feel sleepy. I have to go to bed.

我感觉到有点瞌睡，我要睡觉了。

Oh, I feel sleepy.

哦，我觉得困了。

Nearly everyone has days when they feel sleepy.

几乎每一个人都有在白天感到困乏的时候。

I read a novel to make my eyes feel sleepy.

我阅读小说来让我的眼睛感到困倦。

Does it make me feel sleepy after taking it?

吃后会使我想睡觉吗？

It also regulates when you feel sleepy or awake.

它还调节你的睡眠和清醒状态。

This is what makes you slow down and feel sleepy.

这就是使你行动迟缓并且感到困乏的原因。

You want to be sharp, but you usually feel sleepy after lunch.

你想要精力充沛，可你总是在午饭后感到昏昏欲睡。

If you for your favourite TV programs, you will feel sleepy.

如果你熬夜看你喜欢的电视节目，你会感觉困的。

If possible, select a time to go to bed when you naturally begin to feel sleepy.

如果可能的话，选择感到困倦想睡觉的时间。

This is also the reason why we often feel sleepy after eating a large lunch.

这就是为什么我们在一顿丰盛的午餐之后浓浓的倦意来袭。

Almost everyone will feel sleepy and uneasy when hearing the awful noise in midsummer.

几乎每个人会感到困倦和不安当在仲夏听见这些讨厌的噪音。

Get up and do something you find relaxing until you feel sleepy again - then go back to bed.

起来，做一些放松，直到你找到你感到困倦再次-然后回去睡觉。